Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (python-gunicorn) security update
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 1 Nov 2026, 08:20 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 2.9% chance of exploitation in 30 days – higher than 87% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 22 May 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.
What to do
AI-suggested
Red Hat has released an official security update for python-gunicorn in OpenStack Platform 17.1 on RHEL 9 to address this vulnerability. Users should apply the update as described in the Red Hat advisory (https://access.redhat.com/articles/11258) to remediate the issue. No alternative mitigations or workarounds are specified, so patching is the recommended action.
Description
A security vulnerability (CVE-2024-1135) affecting Gunicorn, a Python WSGI HTTP server used in Red Hat OpenStack Platform 17.1, allows HTTP Request Smuggling due to improper validation of Transfer-Encoding headers. This flaw could enable attackers to interfere with HTTP request processing. Red Hat has issued an important security update to address this issue in python-gunicorn packages for OpenStack 17.1 on RHEL 9.